For a fraction of second, I saw sun-dappled leaves in the trees far above me and heard voices clearly.

电光石火间，我清晰地看见头顶高处斑驳的树叶，也清楚地听到说话声。

youdao

In order to make a nuclear explosion, the critical mass must come together within a fraction of a millionth of a second.

为促成一次核爆炸，临界质量必须在一百万分之一秒内聚集在一起。

《柯林斯英汉双解大词典》

She hesitated for the merest fraction of a second.

她略微犹豫了一下。

《牛津词典》

I think its a major blow to the nations medical fraternity. It takes six years to produce a doctor, and within a fraction of a second, all that has disappeared. A week ago,Dr.Laroche was in Somalia and met with the minister of health.

VOA: standard.2009.12.05

When a brief pulse of electricity is sent to the read/write head it flips on a tiny electromagnet for a fraction of a second.

当一个简单的电脉冲被送到读写头,它会短时间内出现一个小的电磁。

哈佛公开课 - 计算机科学课程节选

Those of you who know other languages might have in your heads 200,000 words or 300,000 words and you're accessing them in a fraction of a second.

你们当中掌握其他语言的人,可能会在头脑中记住两万到三万个词,你们能在瞬间运用它们

耶鲁公开课 - 心理学导论课程节选

Google's search algorithm, capable of pulling information from hundreds of millions of Web sites in a fraction of a second, represents one of the most sophisticated tools that humans have ever developed.

FORBES: Magazine Article

With such demands for power, some of it only for a fraction of a second, warship designers are keen to have a single system doing all manner of things.

ECONOMIST: Electric ships

If I want to filter or collapse records and hit match, it is done in a fraction of a second.

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